Myelodysplastic Syndrome Clinical Trial
Guadecitabine (SGI-110) vs Treatment Choice in Adults With MDS or CMML Previously Treated With HMAs
A Phase 3, randomized, open-label, parallel-group, multicenter study designed to evaluate the efficacy and safety of guadecitabine in subjects with MDS or CMML who failed or relapsed after adequate prior treatment with azacitidine, decitabine, or both. This global study will be conducted in approximately 15 countries. Approximately 408 subjects from approximately 100 study centers will be randomly assigned in a 2:1 ratio to either guadecitabine (approximately 272 subjects) or Treatment Choice (approximately 136 subjects). The study consists of a 14-day screening period, a treatment period, a safety follow-up visit, and a long-term follow-up period. The study is expected to last more than 2 years, and the duration of individual subject participation will vary. Subjects may continue to receive treatment for as long as they continue to benefit.
Multicenter, randomized, open-label, parallel-group study of guadecitabine vs Treatment Choice (TC). Approximately 408 participants will be randomly assigned 2:1 to either guadecitabine or TC.
Guadecitabine: approximately 272 participants.
TC: approximately 136 participants.
Before randomization, the investigator will assign each participant to one of the following TC options:
Low dose cytarabine (LDAC).
Standard Intensive Chemotherapy (IC) of a 7+3 regimen.
Best Supportive Care (BSC) only. BSC will be provided to all participants as per standard and institutional practice. Participants randomized to TC will not be allowed to cross over to guadecitabine. Data will be reviewed by an independent Data Monitoring Committee at regular intervals, primarily to evaluate safety during study conduct. Randomization will be stratified by disease category (MDS vs CMML), bone marrow (BM) blasts (BM blasts >10% vs BM blasts ≤10%), TC option (LDAC vs IC vs BSC), and study center region.
Guadecitabine: 60 milligrams per square meter (mg/m^2) given subcutaneously (SC) daily on Days 1-5 in 28-day cycles (delayed as needed to allow blood count recovery). Treatment should be given for at least 6 total cycles in the absence of unacceptable toxicity or disease progression requiring alternative therapy. Beyond 6 cycles, treatment should continue as long as the participant continues to benefit. BSC should be given according to standard and institutional practice.
Treatment Choice (TC): Before randomization, the investigator will assign each participant to one of the following TC options:
Low dose cytarabine (LDAC) given as 20 mg/m^2 SC or intravenously (IV) once daily for 14 days in 28-day cycles (delayed as needed to allow blood count recovery). Treatment should be given for at least 4 cycles in the absence of disease progression or unacceptable toxicity.
Standard Intensive Chemotherapy (IC) of a 7+3 regimen: given as cytarabine 100-200 mg/m^2/day given as continuous infusion for 7 days and an anthracycline given as per institutional standard practice such as daunorubicin (45-60 mg/m^2/day), or idarubicin (9-12 mg/m^2/day), or mitoxantrone (8-12 mg/m^2/day) by intravenous infusion for 3 days.
Best Supportive Care (BSC) only: given according to standard and institutional practice. BSC includes, but is not limited to blood transfusions (Red blood cells [RBCs] or platelets), growth factors including erythropoiesis stimulating agents (ESA), granulocyte stimulating factors (GSFs), iron chelating therapy, and broad-spectrum antibiotics and/or antifungals.
Adult participants ≥18 years of age who are able to understand and comply with study procedures and provide written informed consent before any study-specific procedure.
Cytologically or histologically confirmed diagnosis of MDS or CMML according to the 2008 World Health Organization (WHO) classification.
Performance status (ECOG) of 0-2.
Previously treated MDS or CMML, defined as prior treatment with at least one hypomethylating agent (HMA; azacitidine and/or decitabine) for intermediate or high risk MDS or CMML whose disease progressed or relapsed as follows:
Participant received HMA for at least 6 cycles and was still transfusion dependent.
Participant received HMA for at least 2 complete cycles and had disease progression prior to Cycle 6 defined as
i. ≥50% increase in bone marrow blasts from pre-HMA-treatment levels or from nadir post-HMA-treatment levels to >5% (for participants with pretreatment or nadir blasts ≤5%) or to >10% (for participants with pretreatment or nadir blasts >5%), and/or ii. Transfusion dependent and ≥2 gram/deciliter (g/dL) reduction of Hgb from pre-HMA-treatment levels.
Other prior treatments for MDS such as lenalidomide, cytarabine, intensive chemotherapy, hydroxyurea, erythropoietin and other growth factors, or hematopoietic cell transplant (HCT) are allowed.
Participants must have either:
Bone marrow blasts >5% at randomization, OR
Transfusion dependence, defined as having had transfusion (in the setting of active disease) of 2 or more units of RBC or platelets within 8 weeks prior to randomization.
Creatinine clearance or glomerular filtration rate ≥30 milliliter/minute (mL/min) estimated by the Cockroft-Gault (C-G) or other medically acceptable formulas such as MDRD (Modification of Diet in Renal Disease) or CKD-EPI (the Chronic Kidney Disease Epidemiology Collaboration).
Women of childbearing potential must not be pregnant or breastfeeding and must have a negative pregnancy test at screening. Women of childbearing potential and men with female partners of childbearing potential must agree to practice 2 highly effective contraceptive measures of birth control and must agree not to become pregnant or father a child (a) while receiving treatment with guadecitabine and for at least 3 months after completing treatment and (b) while receiving treatment with LDAC or IC and for at least 6 months after completing treatment or for the duration specified in local prescribing information, whichever is longer.
Participants who have been diagnosed as having AML with peripheral blood or bone marrow blasts of ≥20%.
Participants who may still be sensitive to repeated treatment with decitabine or azacitidine such as participants who had response to prior decitabine or azacitidine treatment, but relapsed >6 months after stopping treatment with these agents.
Prior treatment with guadecitabine.
Hypersensitivity to decitabine, guadecitabine, or any of their excipients.
Second malignancy currently requiring active therapy, except breast or prostate cancer stable on or responding to endocrine therapy.
Treated with any investigational drug within 2 weeks of the first dose of study treatment.
Total serum bilirubin >2.5 × upper limit of normal (ULN) (except for participants with Gilbert's Syndrome for whom direct bilirubin is <2.5×ULN), or liver cirrhosis or chronic liver disease Child-Pugh Class B or C.
Known active HIV, HBV, or HCV infection. Inactive hepatitis carrier status or low viral hepatitis titer on antivirals is allowed.
Known significant mental illness or other condition such as active alcohol or other substance abuse or addiction that, in the opinion of the investigator, predisposes the participant to high risk of noncompliance with the protocol.
Refractory congestive heart failure unresponsive to medical treatment, active infection resistant to all antibiotics, or advanced non-MDS associated pulmonary disease requiring >2 liters per minute oxygen.
Life expectancy of less than one month
Participants with TP53 mutations
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There are 33 Locations for this study
Duarte California, 91010, United States
Rancho Mirage California, 92270, United States
Fleming Island Florida, 32003, United States
Miami Beach Florida, 33140, United States
Chicago Illinois, 60612, United States
Evanston Illinois, 60201, United States
Indianapolis Indiana, 46237, United States
Baltimore Maryland, 21201, United States
Ann Arbor Michigan, 48109, United States
Hackensack New Jersey, 07601, United States
Buffalo New York, 14263, United States
New York New York, 10065, United States
Stony Brook New York, 11794, United States
Durham North Carolina, 27705, United States
Hershey Pennsylvania, 17033, United States
Philadelphia Pennsylvania, 19111, United States
Charleston South Carolina, 29425, United States
Greenville South Carolina, 29607, United States
Houston Texas, 77030, United States
Seattle Washington, 98104, United States
Seattle Washington, 98109, United States
Morgantown West Virginia, 26506, United States
Antwerp , , Belgium
Brugge , , Belgium
Charleroi , , Belgium
Calgary Alberta, T2N 4, Canada
Edmonton Alberta, T6G 2, Canada
Barrie Ontario, L4M 6, Canada
Hamilton Ontario, L8V 1, Canada
Toronto Ontario, M5G 2, Canada
Burnaby , , Canada
Moncton , , Canada
Montréal , , Canada
Regina , , Canada
Brno , , Czechia
Hradec Králové , , Czechia
Ostrava , , Czechia
Praha 2 , , Czechia
Praha , , Czechia
Aalborg , , Denmark
Aarhus , , Denmark
Copenhagen , , Denmark
Odense , , Denmark
La Tronche , , France
Limoges , , France
Mulhouse Cedex , , France
Nantes , , France
Nice , , France
Paris , , France
Pierre-Bénite , , France
Toulouse , , France
Braunschweig , , Germany
Düsseldorf , , Germany
Freiburg , , Germany
Halle , , Germany
Ulm , , Germany
Alessandria , , Italy
Firenze , , Italy
Genova , , Italy
Milano , , Italy
Napoli , , Italy
Novara , , Italy
Pesaro , , Italy
Roma , , Italy
Nagoya-shi Aichi, , Japan
Narita Chiba, , Japan
Yoshida Fukui, , Japan
Fukuyama-shi Hiroshima, , Japan
Isehara Kanagawa, , Japan
Sagamihara-shi Kanagawa, , Japan
Yokohama Kanagawa, , Japan
Nagasaki Nagasaki-shi, , Japan
Hirakata Osaka, , Japan
Osakasayama-shi Osaka, , Japan
Kawagoe Saitama, , Japan
Bunkyō-Ku Tokyo, , Japan
Koto Tokyo, , Japan
Shinagawa Tokyo, , Japan
Tachikawa Tokyo, , Japan
Fukuoka , , Japan
Fukushima , , Japan
Gifu , , Japan
Kumamoto , , Japan
Kyoto , , Japan
Kyoto , , Japan
Yamagata , , Japan
Seoul , 03080, Korea, Republic of
Seoul , 03722, Korea, Republic of
Seoul , 05505, Korea, Republic of
Seoul , 06351, Korea, Republic of
Seoul , 137-7, Korea, Republic of
Ulsan , 44033, Korea, Republic of
Lublin , , Poland
Warszawa , , Poland
Warszawa , , Poland
Alicante , , Spain
Badalona , , Spain
Barcelona , , Spain
Barcelona , , Spain
Cáceres , , Spain
León , , Spain
Madrid , , Spain
Madrid , , Spain
Madrid , , Spain
Salamanca , , Spain
Valencia , , Spain
Göteborg , , Sweden
Örebro , , Sweden
Gillingham , , United Kingdom
Leeds , , United Kingdom
London , , United Kingdom
Nottingham , , United Kingdom
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